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02 August 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Alistair Naidoo, second-year master’s student in Conservation Genetics and full-time technician in the Department of Genetics; Prof Paul Grobler, Head of the Department of Genetics; Prof Gordon Luikart; and Hannah Janse van Vuuren, third-year master’s student in Conservation Genetics.

It is an important and exciting time to be doing research in conservation genetics. This is according to Prof Gordon Luikart, Professor of Conservation Ecology and Genetics at the Flathead Lake Bio Station at the University of Montana in the United States. 

Prof Luikart, whose primary research focus is the application of genetics to the conservation of natural and managed populations, recently delivered a lecture, The Expanding Role of Genetics/omics in Wildlife Research and Conservation, on the Bloemfontein Campus of the University of the Free State (UFS). The lecture, hosted by the Department of Genetics, was attended by a group of students and lecturers in conservation and a number of related fields. 

He is one of the leading scientists in the field of conservation genetics, including integration of genomics in conservation projects. He is also co-author of the textbook Conservation and the Genomics of populations – the current prescribed textbook for GENE3744.

Species threatened with extinction

In 2008, the International Union for Conservation of Nature (IUCN) stated that approximately 10-20% of all vertebrate and plant species are threatened with extinction over the next few decades. In 1984, American biologist Edward O Wilson also said that it will take millions of years to correct the ongoing loss of genetics and species diversity caused by the destruction of natural habitats. “This is the folly our descendants are least likely to forgive us.”

Prof Luikart is of the opinion that genetics has enormous potential to help manage wildlife and prevent extirpation. “My research works to realise this potential and help wildlife managers conserve populations and ecosystems,” he says. 

Conservation managers and biologists have understood the risks of inbreeding for more than 100 years. In his lecture, one of the aspects of genetic conservation he focused on, was the negative effects of inbreeding and how this can be reversed using genetic rescue. 

With the genetic rescue study, they found that the gene flow into recently isolated populations can increase individual fitness and population growth. He proposed that conservation managers should consider genetic principles and rescue as practical and important tools. 

Prof Luikart also provided a list of information that can be retrieved from molecular genetic data to help conservation managers. This includes intel on census and effective population size, gene flow and dispersal, local adaptation and selection, forensics, genetic identification and law enforcement, and disease ecology and transmission. 

Non-invasive genetic monitoring

In terms of detecting gene flow, he focused on a study about non-invasive genetic monitoring that was conducted in the Yellowstone Park. Prof Luikart and a group of students collected the shed hair and faeces of the grizzly bear, obtained from trees and hair traps, which were used as a source of DNA. 

They established, for instance, that inbreeding depression is more common and stronger than previously thought in natural populations. Genetic monitoring, using non-invasive methods as described, has been found to be an effective tool that conservation managers should consider for detecting inbreeding and loss of genome-wide variation.

His research on the bighorn sheep, the alpine ibex, and the black bear informed most of the findings he discussed during his lecture.

News Archive

Reflection should stimulate action – Prof Petersen
2017-05-25

 Description: Panel discussion: Reflection should stimulate action  Tags: Panel discussion: Reflection should stimulate action

Panellists at a discussion held by the Institute for
Reconciliation and Social Justice were, from the left,
Prof Elelwani Ramugondo of the University of Cape Town,
Prof Melissa Steyn from Wits, Prof Francis Petersen,
Vice-Chancellor and Rector of the UFS, and SK Luwaca,
president of the Student Representative Council on the
Bloemfontein Campus.
Photo: Johan Roux

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The University of the Free State (UFS) should be a place of belonging, a place where staff, academics and students belong and can make a contribution to a democratic society.

This is according to Prof Francis Petersen, Vice-Chancellor and Rector of the UFS. He was one of four panellists at a discussion, titled Diversity, inclusivity and social justice and the renewed call for decolonisation, hosted by the Institute for Reconciliation and Social Justice (IRSJ). Prof Elelwani Ramugondo from the University of Cape Town, Prof Melissa Steyn from Wits, and SK Luwaca, president of the Student Representative Council on the Bloemfontein Campus, were the other panellists.

The IRSJ facilitated the discussion, which formed part of the inauguration proceedings for Prof Petersen as new Vice-Chancellor and Rector, in the Albert Wessels Auditorium on the Bloemfontein Campus on 18 May 2017.

Renewed thinking about decolonisation

Prof Steyn said: “We can develop our vocabulary to understand our real differences.” She noted that we are all part of reproducing, resisting and reframing the current order.

Universities should be a place where questions can be asked, Prof Ramugondo said. She elaborated on the term decolonisation, saying we needed to investigate how we related and reflected on it, mentioning the myths that surrounded the term. “We should renew our thinking [about decolonisation] at universities,” she said.

“We can develop our vocabulary
to understand our real differences.”

What does a transformed UFS look like?
According to Luwaca unity isn’t something that can be faked, but everybody should work towards it, building a rainbow nation together. It is important for everyone to be on the same page: “We have to ask ourselves what a transformed university looks like.”

Prof Petersen said it was important to often pause and reflect: “Reflection should stimulate action. Reflection is not something without action.”

After the discussion, a lively question-and-answer session with the panellists took place. Prof André Keet, director of the IRSJ and facilitator of the discussion, suggested the gathering should be the start of many similar engagements.

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